System for virtual prediction of road loads
First Claim
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1. A method for predicting road loads on vehicle components and systems, comprising the steps of:
- (A) producing a set of data defining preselected physical characteristics of a tire on the vehicle;
(B) generating an analytical model of the tire using the data produced in step (A); and
, (C) simulating road loads on the vehicle using the analytical tire model generated in step (B).
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Abstract
A system is provided for full-vehicle analytical road-loads prediction, which reduces the time and cost of modeling tires and tire-road interface, using road load simulations rather than actual measurements. The system includes a method to perform tire tests in a virtual environment, a road-load tire model for simulations in multibody environments; a tire model for FE simulations; and a comprehensive graphical user interface to support the user in all the steps of the analytical process.
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Citations
20 Claims
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1. A method for predicting road loads on vehicle components and systems, comprising the steps of:
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(A) producing a set of data defining preselected physical characteristics of a tire on the vehicle;
(B) generating an analytical model of the tire using the data produced in step (A); and
,(C) simulating road loads on the vehicle using the analytical tire model generated in step (B). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for generating a tire model for use in multibody simulations for vehicles, comprising the steps of:
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(A) producing a set of data defining preselected physical characteristics of the tire; and
,(B) developing a set of analytical road load tire parameters describing the tire model, using nonlinear finite element simulations and the data produced in step (A). - View Dependent Claims (12, 13, 14, 15)
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16. A method of building a virtual road load model for designing vehicles, comprising the steps of:
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(A) generating a virtual model of a vehicle tire having a set of known characteristics;
(B) modeling the response of the virtual model tire to a set of predetermined road conditions; and
,(C) developing the road load model using the response modeled in step (B). - View Dependent Claims (17, 18, 19, 20)
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Specification